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Belfast weather in August 2023
- 1818°C max day temperature
- 1717 days with some rainfall
- 1111°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 8989 mm of monthly rainfall
- 55 (Moderate) UV index
- 1313°C sea temperature
Recommended for Northern Ireland
The August weather guide for Northern Ireland (Belfast) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the UK
How hot is it in Belfast in August?
Daytime temperatures usually reach 18°C in Belfast in August, falling to 11°C at night.
How sunny is it in Belfast in August?
There are normally 5 hours of bright sunshine each day in Belfast in August - that's 32% of daylight hours.
How warm is the sea around Belfast in August?
The average sea temperature around Belfast in August is 13°C.
Does it rain in Belfast in August?
There are usually 17 days with some rain in Belfast in August and the average monthly rainfall is 89mm.
Belfast August sunrise & sunset times
Browse the sunrise and sunset times for Belfast in August 2023. Select a month to view Belfast sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Tuesday, 1st August 2023||05:34||21:25|
|Wednesday, 16th August 2023||06:01||20:54|
|Thursday, 31st August 2023||06:28||20:19|
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